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MERSEN FUSE 9 URD 73 D11 A 1100 9URD73D11A1100
MPN: M300575
Alt. SKU: PC73UD90V11CD1A
Special Price
£202.12
£168.43
Regular Price
£367.49
Why Choose the Square Body High-Speed Fuse Protistor® Size 73 aR 900VAC IEC 1000VAC UL 1100A With Striker DIN 110 Blades PC73UD90V11CD1A?
The Square Body High-Speed Fuse Protistor® delivers reliable protection for demanding industrial and power electronic applications, with a breaking capacity tailored for 900VAC IEC and up to 1000VAC UL systems. Its robust aR-class design ensures rapid fault interruption, safeguarding sensitive semiconductors and critical equipment from overloads and short-circuit events.
Featuring integrated striker functionality and DIN 110 blades, this fuse allows for straightforward integration and remote status indication, streamlining system maintenance. Its 1100A rating, advanced arc-quenching technology, and compliance with IEC and UL standards make it an optimal choice for high-speed circuit protection in mission-critical environments.
Product Code: M300575
Key Benefits
- High breaking capacity suitable for 900VAC IEC and 1000VAC UL systems
- Rapid fault interruption with aR speed characteristic for semiconductor protection
- Integrated striker for remote status indication and easy maintenance
- Robust ceramic body ensuring durability and reliable performance
- Silver-plated copper terminals with DIN 110 blades for secure connection
- Compliance with IEC and UL standards for global application
Compatibility
This fuse is compatible with industrial and power electronic equipment requiring high-speed semiconductor protection. It is designed for bolted mounting and fits systems utilising DIN 110 blade connections. Suitable for integration in electrical panels and switchgear conforming to IEC and UL voltage ratings.
Applications
- Protection of power semiconductors such as thyristors and diodes
- Industrial motor drives and variable speed controllers
- Power supply units and inverters
- Renewable energy systems including solar and wind power inverters
- High power transformers and electrical distribution systems
Technical Specifications
- Item number: M300575
- Catalogue No: PC73UD90V11CD1A
- Description: Square Body High-Speed Fuse Protistor® Size 73 aR 900VAC IEC 1000VAC UL 1100A With Striker DIN 110 Blades
- EAN/UPC Code: 3605340330540
- Rated voltage AC UL: 1000 V
- Rated voltage AC IEC: 900 V
- Ampere Rating: 1100 A
- AC or DC: AC
- Speed/Characteristic: aR
- Fuse Size: 73
- Mounting: Bolted
- Clearing I2t At Rated Voltage: 2280 kA²s
- Melting I2t: 445 kA²s
- AC Max I.R./Breaking Capacity: I1: 150 kA
- Indication System: Yes
- Indication System Type: Striker
- Connection/Terminal Material: Silver-Plated Copper
- Connection/Terminal Type: DIN 110 Blades
- Product Width: 73 mm
- Product Length: 133.4 mm
- Product Height: 78.5 mm
- Sell Pack Quantity: 3 EA
- Sell Pack Weight: 3.36 kg
- Sell Pack Width: 150 mm
- Sell Pack Length: 250 mm
- Sell Pack Height: 90 mm
- Product group: Semiconductor Protection Fuses
- Body/Insulating Material: Ceramic
- Product Weight: 1.12 kg
- Power Dissipation at Rated Current Value: 208 W
Frequently Asked Questions
What does the aR speed characteristic mean?
The aR (partial range) speed characteristic means the fuse is designed to protect semiconductors by interrupting short-circuit faults quickly, while allowing for certain overload conditions without blowing.
Can this fuse be used in DC applications?
No, this particular fuse is rated for AC applications only, as specified in its technical specifications.
What is the purpose of the integrated striker?
The integrated striker provides a mechanical indication of fuse operation and allows remote signalling of fuse status, facilitating easier maintenance and fault detection.
Is this fuse compliant with international standards?
Yes, it complies with IEC and UL standards, ensuring suitability for global industrial applications.
Common Search Terms
High-speed fuse, semiconductor protection fuse, aR fuse, 1100A fuse, 900VAC fuse, 1000VAC fuse, DIN 110 blade fuse, striker fuse, industrial fuse, power electronic fuse
| Manufacturer Part Number | M300575 |
|---|---|
| Packed Quantity | 1 |
| Barcode | 3605340330540 |
| Height | 133.4mm |
| Width | 73mm |
| Depth | 78.5mm |
| HS Code | 85361090 |
| Manufacturer | Mersen |
| Alternative Product SKU | PC73UD90V11CD1A |
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